Laboratory faucet base



FIG. 1 is a perspective view of the laboratory faucet base;

FIG. 2 is a front elevation view;

FIG. 3 is a top elevation view;

FIG. 4 is a side elevation view the opposite side being a mirror image;

FIG. 5 is a back elevation view; and,

FIG. 6 is a bottom elevation view.

The broken lines in the Figures are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a laboratory faucet base, as shown and described. 